Set includes: X1 3'-8' Extendable Twist-Lock Handle - threaded to fit most major brands of corner rollers; Angle Head Ball Adapter - threads into X1 handle to fit all major brands of angle heads/corner finishers; X4 3'-8' Extendable Twist-Lock Nail Spotter HandleX10 9" wipedown knife with 15"-23" compact extension handle and interchangeable head that fits X1 handle to reach high walls and ceilings;Universal Coarse Thread Adapter - Fits most sanding heads, texture brushes, knockdown knives, paint rollers; Add extension handles to your drywall taping tool and finishing tool lineup with this affordable set. Reach high walls and ceilings without stilts, ladders or scaffolding. The All-Wall X1 Handle is an anodized aluminum telescopic pole that features a unique and handy "twist lock" design. The telescopic pole extends from 3' to 8' feet with a simple twist of the wrist! Extend your effective reach up to 13-15 feet! The X4 Nail Spotter Handle fits TapeTech, Level5, Ames, Drywall Master, Precision and Tape Master nail spotters. Note:Does not fit Columbia nail spotters. X1 fine threaded Extendable handle works with various Corner Rollers (see application info). The Angle Head Ball adapter turns the X1 Handle into an Extendable Angle Head Handle that fits all major brands of angle heads/corner finishers. The Coarse Thread Adapter will allow you to use this pole with most Sanding Heads, Texture Brushes, Knockdown Knives and Paint Rollers. X1 Handle Fits: TapeTech Corner Roller;Level5 Corner Roller; Columbia Corner Roller; Ames Corner Roller;Finish Pro Corner Roller; Drywall Master Corner Roller; Precision and Tape Master Corner Roller; Tape Worm Nail Spotters; Note: The X1 DOES NOT fit Cinta Corner Roller. The ball adapter fits all major brands of angle heads/corner finishers and glazers.